Adds inputs
Removes button from form
showPrompt now reads inputs
Adds event for keypress in answer input

It submits the question/answer
Changes showPrompt() to submitCard()
Gives focus to question input after card submit
Adds validation to avoid empty inputs
Adds a collapsible section for the card list
Adds card styling
Adds styling to flip on the x-axis
Adds click event to flip card
Adds notification to click on it.
adds a carousel
Adds styling to cards
Adds active to the first card
Removes original card